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Full indefinite Stieltjes moment problem is studied via the step-by-step Schur algorithm. Naturally associated with indefinite Stieltjes moment problem are generalized Stieltjes continued fraction and a system of difference equations,…

Spectral Theory · Mathematics 2020-02-19 V. Derkach , I. Kovalyov

This paper gives via Stieltjes transform a complete description of the solution set of a matricial truncated Stieltjes-type power moment problem in the non-degenerate and degenerate cases. The approach is based on the Schur type algorithm…

Complex Variables · Mathematics 2017-07-20 Bernd Fritzsche , Bernd Kirstein , Torsten Schröder , Conrad Mädler

The main goal of this paper is to achieve a simultaneous treatment of the even and odd truncated matricial Stieltjes moment problems in the most general case. These results are generalizations of results of Chen and Hu [5,17] which…

Complex Variables · Mathematics 2016-04-27 Bernd Fritzsche , Bernd Kirstein , Conrad Mädler

The characterization of the solvability of matrix versions of truncated Stieltjes-type moment problems led to the class of $\alpha$-Stieltjes non-negative definite sequences of complex $q \times q$ matrices. In [21], a parametrization of…

Complex Variables · Mathematics 2016-04-26 Bernd Fritzsche , Bernd Kirstein , Conrad Mädler

We study a truncated two-dimensional moment problem in terms of the Stieltjes transform. The set of the solutions is described by the Schur step-by-step algorithm, which is based on the continued fraction expansion of the solution. In…

Functional Analysis · Mathematics 2024-04-05 Ivan Kovalyov , Stefan Kunis

The multidimensional moment problem is studied in terms of the Steiltjes transform. The diagonal step-by-step algorithm is constructed for the multidimensional moment problem. The set of solutions of the full multidimensional moment problem…

Functional Analysis · Mathematics 2025-01-13 Ivan Kovalyov

The main goal of this paper is to achieve a parametrization of the solution set of the truncated matricial Hausdorff moment problem in the non-degenerate and degenerate situation. We treat the even and the odd cases simultaneously. Our…

Classical Analysis and ODEs · Mathematics 2020-05-08 Bernd Fritzsche , Bernd Kirstein , Conrad Mädler

Truncated moment problems in the class of generalized Nevanlinna functions are investigated. General solvability criteria will be established, covering both the even and odd problems, including complete parametrizations of solutions. The…

Functional Analysis · Mathematics 2011-01-04 Vladimir Derkach , Seppo Hassi , Henk de Snoo

In this paper we study the strong matrix Stieltjes moment problem. We obtain necessary and sufficient conditions for its solvability. An analytic description of all solutions of the moment problem is derived. Necessary and sufficient…

Functional Analysis · Mathematics 2011-06-13 A. E. Choque Rivero , S. M. Zagorodnyuk

The truncated multidimensional moment problem is studied in terms of the Stieltjes transform as the interpolation problem. A step-by-step algorithm is constructed for the multidimensional moment problem and the set of solutions is found in…

Functional Analysis · Mathematics 2025-01-13 Ivan Kovalyov

By using Schur transformed sequences and Dyukarev-Stieltjes parameters we obtain a new representation of the resolvent matrix corresponding to the truncated matricial Stieltjes moment problem. Explicit relations between orthogonal matrix…

Complex Variables · Mathematics 2016-09-16 Abdon Eddy Choque-Rivero , Conrad Mädler

We describe all solutions of the matrix Stieltjes moment problem in the general case (no conditions besides solvability are assumed). We use Krein's formula for the generalized $\Pi$-resolvents of positive Hermitian operators in the form of…

Functional Analysis · Mathematics 2010-02-25 Sergey M. Zagorodnyuk

We give (necessary and sufficient) conditions over a sequence $\left\{ f_{n}\right\} _{n=0}^{\infty}$ of functions under which every generalized Stieltjes moment problem \[ \int_{0}^{\infty} f_{n}(x)\phi(x)\mathrm{d} x=a_{n}, \ \ \…

Functional Analysis · Mathematics 2017-08-24 Ricardo Estrada , Jasson Vindas

The paper gives a parametrization of the solution set of a matricial Stieltjes-type truncated power moment problem in the non-degenerate and degenerate cases. The key role plays the solution of the corresponding system of Potapov's…

Classical Analysis and ODEs · Mathematics 2017-12-25 B. Fritzsche , B. Kirstein , C. Mädler , T. Makarevich

We employ some results about continued fraction expansions of Herglotz-Nevanlinna functions to characterize the spectral data of generalized indefinite strings of Stieltjes type. In particular, this solves the corresponding inverse spectral…

Spectral Theory · Mathematics 2023-10-11 Jonathan Eckhardt

We prove a solvability theorem for the Stieltjes moment problem on $R^d$ which is based on the multivariate Stieltjes condition $\sum_{n=1}^\infty L(x_j^n)^{-1/(2n)}=+\infty$, $j=1,\dots,d.$ This result is applied to derive a new…

Functional Analysis · Mathematics 2020-11-10 Konrad Schmüdgen

We consider a normalized indeterminate Hamburger moment sequence s which is supposed to be Stieltjes. We revisit old results about determinacy/indeterminacy in the sense of Stieltjes for s and we prove some new results about the concepts…

Functional Analysis · Mathematics 2025-12-23 Christian Berg

We obtain a new multiplicative decomposition of the resolvent matrix of the truncated Hausdorff matrix moment (THMM) problem in the case of an odd and even number of moments via new Dyukarev-Stieltjes matrix (DSM) parameters. Explicit…

Classical Analysis and ODEs · Mathematics 2016-10-19 Abdon E. Choque-Rivero

This work is devoted to the mathematical analysis of Stieltjes Bochner spaces and their applications to the resolution of a parabolic equation with Stieltjes time derivative. This novel formulation allows us to study parabolic equations…

Analysis of PDEs · Mathematics 2020-05-15 Francisco J. Fernández , F. Adrián F. Tojo

The Stieltjes moment problem is studied in the framework of general Gelfand-Shilov spaces defined via weight sequences. We characterize the injectivity and surjectivity of the Stieltjes moment mapping, sending a function to its sequence of…

Functional Analysis · Mathematics 2019-02-05 Andreas Debrouwere , Javier Jiménez-Garrido , Javier Sanz
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